HY2151
Protection IC for 3-cell / 4-cell / 5-cell Lithium
Ion/Lithium Polymer Batteries in Series
© 2019-2020 HYCON Technology Corp.
www.hycontek.com
Preliminary
DS-HY2151-V02_EN
page2
Table of Contents
1. GENERAL DESCRIPTION ....................................................................................................................... 5
2. FEATURES ............................................................................................................................................... 5
3. APPLICATIONS ........................................................................................................................................ 5
4. BLOCK DIAGRAM.................................................................................................................................... 6
5. ORDERING INFORMATION ..................................................................................................................... 7
6. PIN CONFIGURATION AND PACKAGE MARKING INFORMATION ..................................................... 8
7. ABSOLUTE MAXIMUM RATED VALUE .................................................................................................. 9
8. ELECTRICAL CHARACTERISTICS ...................................................................................................... 10
9. TEST CIRCUIT ........................................................................................................................................ 13
10. EXAMPLE OF APPLICATION CIRCUIT FOR BATTERY PROTECTION IC ......................................... 14
10.1 5-Cell in Series Connection ................................................................................................................ 14
10.2 4-Cell in Series Connection ................................................................................................................ 14
10.3 3-Cell in Series Connection ................................................................................................................ 15
11. DESCRIPTION OF OPERATION ............................................................................................................ 17
11.1 Overcharge Status .............................................................................................................................. 17
11.2 Test Time Shortening Capability ......................................................................................................... 18
12. TIMING DIAGRAM .................................................................................................................................. 19
13. CHARACTERISTICS (TYPICAL VALUE) .............................................................................................. 21
13.1 Detection voltage. ............................................................................................................................... 21
13.2 Delay time. .......................................................................................................................................... 21
13.3 Current Consumption. ......................................................................................................................... 21
14. PACKAGE INFORMATION ..................................................................................................................... 22
14.1 DFN-1.97*2.46-8L Package ................................................................................................................ 22
15. LAND PATTERN DESIGN RECOMMENDATIONS ................................................................................ 23
15.1 DFN-1.97*2.46-8L Package ................................................................................................................ 23
16. IC PLACEMENT RECOMMENDATIONS ............................................................................................... 24
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